Umalas Weather in January

Thinking of visiting Umalas in January? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 25°C (77°F) at night, and be prepared for the wettest month of the year.

Rainfall in Umalas in January

As part of the rainy season, Umalas sees around 19 days of rain in January, with an average of 310 mm (12 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Umalas in January

January in Umalas brings high temperatures, with highs of 29°C (84°F) and nights around 25°C (77°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Umalas in January

With about 172 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Average water temperature in January

At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

January in Umalas has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• August

• September
• October
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• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Umalas's climate page.

Umalas Temperature in January

Min Temperature 25°C (77°F)  

Max Temperature 29°C (84°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 65%  

Precipitation 310 mm (12 in)  

Rainy days 19 days  

Humidity 85% *  

Sunshine 172 hours *  

Percentage Sunshine 41% *  

* Data from: Denpasar, Indonesia (10 KM, 6 Miles).

Daily Historical Temperatures

50-year average (1976-2026)

Based on our historical records, temperatures in Umalas typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in January

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Daily Historical Precipitation

50-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

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‹ January February March April May June July August September October November December ›

Historical weather for Umalas in January

Browse day-by-day weather records for Umalas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Umalas historical weather extremes in January

Based on 32 years of weather observations (1993-2025), these are the most extreme conditions recorded in Umalas.

• The warmest day in January was on January 27, 1995, with a maximum of 39°C (102°F).
• On January 16, 2021, Umalas saw its coldest January day with temperatures maxing out at 26°C (79°F).
• The coldest night in January in Umalas was on January 25, 2003, with a minimum of 21°C (70°F).
• The heaviest January precipitation occurred on January 11, 2009, when 160 mm (6.3 in) of precipitation fell.

What to Wear in Umalas in January

Warm but pleasant conditions in Umalas in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Umalas in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Umalas's climate page.

More climate data for Umalas

Temperature Rainfall Sunshine Humidity Water Temp

See the full Umalas climate overview or explore weather in Indonesia.